population zero growth的意思|示意

Zero growth in population.

人口毫无增长。

Our population has reached zero growth.

我们的人口增长率是零。

Out-of-control population growth and an endless exodus to the northn Net emigration is down to zero, if not negative, and the fertility rate will soon be lower than that of the United States.

那个“人口增长失控，大量人群北迁”的墨西哥也已不复存在——墨西哥的净移民数（出境移民减去入境移民的结果，译者注）不计负数已减少至零，其出生率也即将低于美国。

We know that we are getting even older, and that the nearer a society approximate to zero population growth, the older its population is likely to be - at least, for any future that concerns us now.

我们知道我们越来越老，我们也知道一个社会的人口愈接近零增长，它的人口愈可能老龄化，至少就与我们直接相关的未来来说是这样的。

This paper deduces a theoretical population model in a urban system under a hypothetical condition of zero population growth (ZPG), and analyses the population dynamics for the model.

本文推演了城市系统中在人口零增长假设条件下的人口迁移理论模型；

The closer a society's population growth rate gets to zero, the more population aging it will be.

一个社会的人口增加率越接近零，其人口便愈老龄化。